Fluval Carbon (3 x 100g)

Premium research-grade low-ash Fluval Carbon is highly porous, providing large amounts of surface area for adsorption of impurities. It removes heavy metals, odours, discolourations, organic contaminants and pollutants to leave your aquarium water crystal clear and sparkling. It is worth noting that the carbon will also strip out most fish medications and treatments so you should remove the carbon if you need to treat the fish for any illness. These bags should be replaced approximately every 4 weeks.